/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.kie.kogito.codegen.rules;

import org.drools.ruleunits.impl.AssignableChecker;
import org.drools.ruleunits.impl.ReflectiveRuleUnitDescription;
import org.kie.internal.ruleunit.RuleUnitDescription;

public class RuleUnitHelper {
    private AssignableChecker defaultChecker;
    private AssignableChecker assignableChecker;

    public RuleUnitHelper() {
    }

    public RuleUnitHelper(ClassLoader cl, boolean hotReloadMode) {
        this.defaultChecker = AssignableChecker.create(cl, hotReloadMode);
    }

    public RuleUnitHelper(AssignableChecker assignableChecker) {
        this.assignableChecker = assignableChecker;
    }

    void initRuleUnitHelper(RuleUnitDescription ruleUnitDesc) {
        if (ruleUnitDesc instanceof ReflectiveRuleUnitDescription) {
            assignableChecker = ((ReflectiveRuleUnitDescription) ruleUnitDesc).getAssignableChecker();
        } else {
            if (assignableChecker == null) {
                assignableChecker = defaultChecker;
            }
        }
    }

    public AssignableChecker getAssignableChecker() {
        return assignableChecker;
    }

    public boolean isAssignableFrom(Class<?> source, Class<?> target) {
        return assignableChecker.isAssignableFrom(source, target);
    }
}
